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Glucose-Dependent Insulin Release from Genetically Engineered K Cells

Science  08 Dec 2000:
Vol. 290, Issue 5498, pp. 1959-1962
DOI: 10.1126/science.290.5498.1959

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Abstract

Genetic engineering of non-β cells to release insulin upon feeding could be a therapeutic modality for patients with diabetes. A tumor-derived K-cell line was induced to produce human insulin by providing the cells with the human insulin gene linked to the 5'-regulatory region of the gene encoding glucose-dependent insulinotropic polypeptide (GIP). Mice expressing this transgene produced human insulin specifically in gut K cells. This insulin protected the mice from developing diabetes and maintained glucose tolerance after destruction of the native insulin-producing β cells.

  • * To whom correspondence should be addressed. E-mail: tim.kieffer{at}ualberta.ca

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